CP violation in ${\Sigma }^{+}\to p{\ell }^{+}{\ell }^{-}$ within the standard model and beyond

Xiao-Gang He, Jusak Tandean, German Valencia

The LHCb collaboration has recently observed the rare hyperon decay ${\Sigma }^{+}\to p{\mu }^{+}{\mu }^{-}$. It can also measure the corresponding antihyperon channel with comparable precision and is thu…